Si Metal 441 Metallurgical Grade Silicon 10-50mm
Product Specification: Si Metal 441 (Metallurgical Grade Silicon)
Grade: 441
Particle Size: 10-50mm (customizable, ±5% tolerance)
Material Type: Metallurgical Grade Silicon (MG-Si)
Appearance: Irregular silver-gray lumps with metallic luster
Specification
| Grade | Si(%) | Fe(%) | Al(%) | Ca(%) |
| 1101 | 99.79 | 0.1 | 0.1 | 0.01 |
| 2202 | 99.58 | 0.2 | 0.2 | 0.02 |
| 3303 | 99.37 | 0.3 | 0.3 | 0.03 |
| 411 | 99.4 | 0.4 | 0.1 | 0.1 |
| 421 | 99.3 | 0.4 | 0.2 | 0.1 |
| 441 | 99.1 | 0.4 | 0.4 | 0.1 |
| 553 | 98.7 | 0.5 | 0.5 | 0.3 |
Particle size: 10-100mm,10- 50mm and different granularities according to your needs.
Applications & Industry Context
- Primary Uses:
- Aluminum Alloy Production (70% of global demand): Enhances strength and corrosion resistance
in automotive and aerospace alloys.
- Photovoltaic Industry (emerging market): Intermediate material for solar-grade
polysilicon purification.
- Chemical Synthesis: Raw material for silicone polymers and organosilane compounds.
Si Metal 441 Metallurgical Grade Silicon 10-50mm
Packaging & Logistics
- Standard Packaging: 1-ton jumbo bags (PP woven, UV-resistant) with inner
moisture-proof lining.
- Custom Options: 25kg small bags or bulk container loading (FCL/LCL).
- Storage: Dry, ventilated warehouses; avoid direct sunlight and acid/alkali
exposure.
- Transport: Suitable for sea/rail/road freight; comply with IMDG Class 4.1
(flammable solid).
Quality Assurance
- Certification: ISO 9001, REACH, RoHS compliance.
- Testing: XRF analysis report provided; third-party validation (SGS/BV)
available.
- Traceability: Batch-specific QR code tracking from smelting to delivery.
Competitive Advantages
- Low Carbon Footprint: Produced with hydropower smelters (Scope 2 emissions ≤0.8
tCO₂/ton).
- Dimensional Consistency: Laser-screened particle size control for crucible charging
optimization.
- Technical Support: On-demand metallurgical consultancy for alloy design
optimization.
FAQ
1. Are you trading company or manufacturer ?
We are a manufacturer.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20
days if the goods are not in stock, it is according to quantity.
3. Can you provide samples for free?
Yes, we can supply samples for free, and the freight will be
undertaken by clients.
4. May I visit your factory?
Yes, we will arrange professional reception personnel to patiently
explain to you.
